Which disk do you want to write? (0..1) 1
WARNING: that disk is larger than 2 GB! Make sure you're not accidentally
overwriting your primary hard disk! Proceeding on your own risk...
About to overwrite the contents of disk 1 with new data. Proceed? (y/n) y
Found compressed image file
3816529920 bytes writtenWrite error after 3816529920 bytes (8192)./mk@neon1.net

Which disk do you want to write? (0..1) 1
WARNING: that disk is larger than 2 GB! Make sure you're not accidentally
overwriting your primary hard disk! Proceeding on your own risk...
About to overwrite the contents of disk 1 with new data. Proceed? (y/n) y
Found compressed image file
2001194496/2001194496 bytes written in total/mk@neon1.net

Not sure why it gives that error on 4GB image, but should be good to go I guess.